April 2017 todate – Professor in Molecualr biology and Biochemistry
Department of Chemistry, University of Colombo
May 2006 to April 2017- Senior Lecturer
Department of Chemistry, University of Colombo
February, 2011 to February, 2012 – Guest Researcher
Department of Plant and Environmental Science, University of Göteborg, Sweden
April 2009 to 2019 – Visiting Lecturer
Department of Chemistry, University of Kelaniya
April 2009 to date – Visiting Lecturer
Department of Botany, University of Kelaniya
June, 2004 to May 2006 – Postdoctoral Researcher
CMB- Molecular Biology, University of Göteborg, Sweden
June , 1998 to May 2004 – Research Officer Agro & Food Technology Division, ITI, Colombo 07, Sri Lanka.
January 1997 to June 1998 – Demonstrator
Department of Botany, University of Colombo, Sri Lanka.